+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70936 Kamen (1999 WK1) Classification: Main-belt Asteroid          SPK-ID: 2070936 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09300532659290803 4.1913e-08   a 2.746722943275739 1.4044e-08 au q 2.491263078876145 1.1774e-07 au i 5.958437931461627 4.7748e-06 deg node 54.07957897454065 3.2188e-05 deg peri 319.7288848447253 3.8295e-05 deg M 232.6472546326718 2.2382e-05 deg tp 2459588.702031921885 (2022-Jan-09.20203192) 0.00010458 TDB period 1662.726083219585 4.55 1.2753e-05 3.492e-08 d yr n .2165119099490648 1.6606e-09 deg/d Q 3.002182807675332 1.5351e-08 au   Orbit Determination Parameters    # obs. used (total)      1228      data-arc span      7521 days (20.59 yr)      first obs. used      1999-11-14      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51474      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 23:37:35   Additional Information  Earth MOID = 1.49601 au   Jupiter MOID = 2.45999 au   T_jup = 3.333  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 14.6   n/a MPO337797   diameter diameter 6.942 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.077   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   70936 Kámen           Discovered 1999 Nov. 28 by J. Ticha and M. Tichy at Klet. Kámen is an originally Gothic castle in southern Bohemia near the town of Pacov, first mentioned in the fourteenth century. In the nineteenth century the castle was reconstructed in the English Romantic Gothic style. There is a motorcycle museum there now. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20050125/MPCPages.arc Last Updated: 2005-06-01 [ show close-approach data ] Alternate Designations  1999 WK1 = 2001 DE80  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-27 08:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin